Datasheet

PIC16F72X/PIC16LF72X
DS41341E-page 136 © 2009 Microchip Technology Inc.
REGISTER 15-1: CCPxCON: CCPx CONTROL REGISTER
U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
DCxB1 DCxB0 CCPxM3 CCPxM2 CCPxM1 CCPxM0
bit 7 bit 0
Legend:
R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’
-n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown
bit 7-6 Unimplemented: Read as ‘0
bit 5-4 DCxB<1:0>: PWM Duty Cycle Least Significant bits
Capture mode
:
Unused
Compare mode:
Unused
PWM mode:
These bits are the two LSbs of the PWM duty cycle. The eight MSbs are found in CCPRxL.
bit 3-0 CCPxM<3:0>: CCP Mode Select bits
0000 = Capture/Compare/PWM off (resets CCP module)
0001 = Unused (reserved)
0010 = Compare mode, toggle output on match (CCPxIF bit of the PIRx register is set)
0011 = Unused (reserved)
0100 = Capture mode, every falling edge
0101 = Capture mode, every rising edge
0110 = Capture mode, every 4th rising edge
0111 = Capture mode, every 16th rising edge
1000 = Compare mode, set output on match (CCPxIF bit of the PIRx register is set)
1001 = Compare mode, clear output on match (CCPxIF bit of the PIRx register is set)
1010 = Compare mode, generate software interrupt on match (CCPxIF bit is set of the PIRx register,
CCPx pin is unaffected)
1011 = Compare mode, trigger special event (CCPxIF bit of the PIRx register is set, TMR1 is reset
and A/D conversion
(1)
is started if the ADC module is enabled. CCPx pin is unaffected.)
11xx = PWM mode.
Note 1: A/D conversion start feature is available only on CCP2.